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A "FOXO" in sight: targeting Foxo proteins from conception to cancer

Kenneth Maiese1, Zhao Zhong Chong, Yan Chen Shang

  • 1Division of Cellular and Molecular Cerebral Ischemia, Department of Neurology, Wayne State University School of Medicine, Detroit, Michigan 48201, USA. kmaiese@med.wayne.edu

Medicinal Research Reviews
|November 6, 2008
PubMed

Insights

Mammalian forkhead transcription factors (FoxO) regulate cell functions vital for disease treatment. Understanding their complex roles offers potential for novel cancer therapies and managing diseases.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Genetics

Background:

  • Cellular processes like proliferation, metabolism, survival, and inflammation are crucial for disease development and treatment.
  • Mammalian forkhead transcription factors (FoxO) are key regulators of these cellular functions in both normal and diseased states.
  • FoxO proteins are integrated with signaling pathways, including Wnt, influencing stem cell proliferation, aging, and malignancy.

Purpose of the Study:

  • To discuss the therapeutic potential of the O class mammalian forkhead transcription factors (FoxO1, FoxO3, FoxO4, and FoxO6).
  • To explore the dual role of FoxO proteins in cellular processes and disease progression.
  • To highlight the implications of FoxO research for developing clinical strategies against human cancers.

Main Methods:

  • Literature review and discussion of existing research on FoxO transcription factors.
  • Analysis of the integration of FoxO proteins with cellular signal transduction pathways.
  • Evaluation of the pro-apoptotic and cell cycle arrest effects of FoxO proteins in cancer.

Main Results:

  • FoxO transcription factors play significant roles in cellular proliferation, metabolism, survival, and inflammation.
  • FoxO proteins exhibit pro-apoptotic effects and can induce cell cycle arrest, making them attractive targets for anti-cancer strategies.
  • However, FoxO proteins are also implicated in infertility, cellular degeneration, and uncontrolled proliferation, indicating a complex biological role.

Conclusions:

  • The FoxO family of transcription factors holds significant therapeutic potential for various diseases, particularly cancer.
  • Further understanding of FoxO biology is essential for developing clinical applications that limit disease progression without adverse effects.
  • Targeting FoxO proteins may offer a novel approach to cancer treatment by promoting apoptosis and cell cycle arrest.

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